clientPingInterval = 15 * time.Second

	// Deadline for single (non-streaming) requests to complete.
	// Used if no deadline is provided on context.
	defaultSingleRequestTimeout = time.Minute
)

var internalByteBuffer = sync.Pool{
	New: func() any {
		m := make([]byte, 0, defaultBufferSize)
		return &m
	},
}

var internal32KByteBuffer = sync.Pool{
	New: func() any {

	// debugging or testing purposes.
	InsecureSkipVerify bool `json:"skip_verify"`
}

const (
	defaultExpiry time.Duration = 1 * time.Hour
	minExpiry     time.Duration = 15 * time.Minute
	maxExpiry     time.Duration = 365 * 24 * time.Hour
)

// GetExpiryDuration - return parsed expiry duration.
func (l Config) GetExpiryDuration(dsecs string) (time.Duration, error) {
	if dsecs == "" {

		defer server.Close()
		server.Serve()
	}

	sftpServer, err := xsftp.NewServer(&xsftp.Options{
		PublicIP: publicIP,
		Port:     port,
		// OpensSSH default handshake timeout is 2 minutes.
		SSHHandshakeDeadline: 2 * time.Minute,
		Logger:               new(sftpLogger),
		SSHConfig:            sshConfig,
		HandleSFTPSession:    handleSFTPSession,
	})
	if err != nil {
		logger.Fatal(err, "Unable to start SFTP Server")

)

const (
	jwtAlgorithm = "Bearer"

	// Default JWT token for web handlers is one day.
	defaultJWTExpiry = 24 * time.Hour

	// Inter-node JWT token expiry is 15 minutes.
	defaultInterNodeJWTExpiry = 15 * time.Minute
)

var (
	errInvalidAccessKeyID = errors.New("The access key ID you provided does not exist in our records")
	errAccessKeyDisabled  = errors.New("The access key you provided is disabled")

stamping about, and shouting `Off with his head!' or `Off with
her head!' about once in a minute.

  Alice began to feel very uneasy:  to be sure, she had not as
yet had any dispute with the Queen, but she knew that it might
happen any minute, `and then,' thought she, `what would become of
me?  They're dreadfully fond of beheading people here; the great

		enableHTTP2, err = config.ParseBool(v)
		if err != nil {
			return args, err
		}
	}
	httpSettings.EnableHTTP2 = enableHTTP2
	transport := httpSettings.NewHTTPTransportWithTimeout(time.Minute)

	args = Args{
		URL:         u,
		AuthToken:   getCfg(AuthToken),
		Transport:   transport,
		CloseRespFn: closeRespFn,
	}
	if err = args.Validate(); err != nil {
		return args, err
	}

		WriteBufferSize:       32 << 10, // 32KiB moving up from 4KiB default
		ReadBufferSize:        32 << 10, // 32KiB moving up from 4KiB default
		IdleConnTimeout:       15 * time.Second,
		ResponseHeaderTimeout: 15 * time.Minute, // Set conservative timeouts for MinIO internode.
		TLSHandshakeTimeout:   15 * time.Second,
		ExpectContinueTimeout: 15 * time.Second,
		// Go net/http automatically unzip if content-type is

			writeErrorResponse(r.Context(), w, apiErr, r.URL)
		}
		return
	}

	// Verify if KMS is reachable if its configured
	if GlobalKMS != nil {
		ctx, cancel := context.WithTimeout(r.Context(), time.Minute)
		defer cancel()

		if _, err := GlobalKMS.GenerateKey(ctx, "", kms.Context{"healthcheck": ""}); err != nil {
			switch r.Method {
			case http.MethodHead:
				apiErr := toAPIError(r.Context(), err)

}

// Update replication upload latency with a new value
func (rl *ReplicationLatency) update(size int64, duration time.Duration) {
	rl.UploadHistogram.Add(size, duration)
}

// ReplicationLastMinute has last minute replication counters
type ReplicationLastMinute struct {
	LastMinute lastMinuteLatency
}

func (rl ReplicationLastMinute) merge(other ReplicationLastMinute) (nl ReplicationLastMinute) {

		{int64(1574812326), false},
		{int(1574812326), false},
		{uint(1574812326), false},
		{uint64(1574812326), false},
		{json.Number("1574812326"), false},
		{1574812326.000, false},
		{time.Duration(3) * time.Minute, false},
	}

	for _, testCase := range testCases {
		testCase := testCase
		t.Run("", func(t *testing.T) {
			_, err := ExpToInt64(testCase.exp)
			if err != nil && !testCase.expectedFailure {